netdev - Re: [PATCH bpf] xsk: check IFF

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Message-Id: <167661781786.4204.9196824978376893308.git-patchwork-notify@kernel.org>
Date:   Fri, 17 Feb 2023 07:10:17 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Maciej Fijalkowski <maciej.fijalkowski@...el.com>
Cc:     bpf@...r.kernel.org, ast@...nel.org, daniel@...earbox.net,
        andrii@...nel.org, netdev@...r.kernel.org,
        magnus.karlsson@...el.com, bjorn@...nel.org,
        michal.kubiak@...el.com
Subject: Re: [PATCH bpf] xsk: check IFF_UP earlier in Tx path

Hello:

This patch was applied to bpf/bpf.git (master)
by Martin KaFai Lau <martin.lau@...nel.org>:

On Wed, 15 Feb 2023 15:33:09 +0100 you wrote:
> Xsk Tx can be triggered via either sendmsg() or poll() syscalls. These
> two paths share a call to common function xsk_xmit() which has two
> sanity checks within. A pseudo code example to show the two paths:
> 
> __xsk_sendmsg() :                       xsk_poll():
> if (unlikely(!xsk_is_bound(xs)))        if (unlikely(!xsk_is_bound(xs)))
>     return -ENXIO;                          return mask;
> if (unlikely(need_wait))                (...)
>     return -EOPNOTSUPP;                 xsk_xmit()
> mark napi id
> (...)
> xsk_xmit()
> 
> [...]

Here is the summary with links:
  - [bpf] xsk: check IFF_UP earlier in Tx path
    https://git.kernel.org/bpf/bpf/c/92a3f9895236

You are awesome, thank you!
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